Home / 13,942.38-19,244.22-8,634.18

Finding the Fourth Proportional to 13,942.38, 19,244.22 and 8,634.18

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Solution

The fourth proportional to 13,942.38, 19,244.22 and 8,634.18 is: 11,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.38 : 19,244.22 = 8,634.18 : x
  2. Step 2: Convert to fraction form
    13,942.38/19,244.22 = 8,634.18/x
  3. Step 3: Cross multiply
    13,942.38x = 19,244.22 × 8,634.18
  4. Step 4: Simplify right side
    13,942.38x = 166,158,059.44
  5. Step 5: Solve for x
    x = 166,158,059.44/13,942.38
  6. Step 6: Final answer
    x = 11,917.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.